the older brother, tamerlan, had gone to russia for several months. did he make connections there with al qaeda or islamic radicals? or chechenables or whatever. so there are unanswered questions, and they would like to answer them so they can put this case to rest. >> the people in boston and the area of newton and cambridge and watertown, how they're processing this information and when they can get their town back and their lives back. we just received this e-mail alert. this is the first time i received one of these and i've been here five days. channel: extreme threat alert message. i don't know hough they got my e-mail. shelter in police still in effect. shelter in place means you stay where you are. does not prevent employees from huroning home and that's from the massachusetts emergency management agency. mema. this is clearly an effort, chris, for authorities to notify the public, based on the information they feel they need to know, and that is really been an effort since monday afternoon, and some would argue they have been mow successful a